Automobile-radiator



W. PHILLIPS.

AUTOMOBILE RADIATOR.

APPLICATION FILED OCT. 2, 1918.

Patented Sept. 20, 1921.

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" To all whom it concern Be it known that I, WILLIAM PHILLIPS, a citizenof the United States, residing at Specification of Letters Patent.

which are subjected to the action of a stamping machine or press andconsequently, when Chicago, county of Cook and State of Illinois, haveinvented certain new and useful Im 'rovements in Automobile-Radiators,of wluch the followin is a specification.

This invention has relation to improvements in automobile radiators usedin connection with the water cooling systems for gasolene engines andthe rmcipal object is to provide more perfect c1rculation of the watercoolin elementthrough the radiator.

folded over at their medial part, assume the character of longitudinalplates 2 and 3,

which together with others of similar constructlon are assembled ornested together Patented Sept. 20, 1921. Application filed October 2,1918. Serial No. 256,506.

to form a complete radiator. Thereby, when the said strips are foldedover, to dispose the plates 2 and 3 1n alinement, the. concavities andpro ections resultant of the stamping operation are positioned inopposed relatron or reg1strat1on and tortuous or re-,

Another 0 ject of the invention is to, in

a greater degree, provide for the passage of the water and itsassociated air cooling element over a comparatively large area.

Another object of the invention is to subject the water cooling elementto a tortuous passage 'throu h the radiator.

It is also a urther object of the invention to provide a device of thecharacter set forth, which is simple of construction and assembly,economical to manufacture and which can be used'in connection with anyty e of gasolene power plants.

Vith these and many other objects in view, an embodiment of theinvention has been illustrated in the accompanying drawing, and novelfeatures have .been pointed out in the appended claims.

In the drawings: V

Figure 1, is a fragmental perspective view of a radiator casing andcluster of radiator units.

Fig. 2, is an enlarged front elevational view of the units.

Fig. 3 is an enlarged horizontal cross sectional view on line 3-3 of Fi2.

Fig. 4, is anenlarged vertical sectional view on line 44 of Fig. 3, and

Fig. 5, is an enlarged }perspective view with portions in section, sowmgthe nestingrarrangement of the units.

he usual or common type of radiators for water cooling systems forgasolene engines, comprise a series of units which are nested in suchmanner as to provide longitudinal passages for the circulation of thewater cooling element and transverse tubes for the introduction of theair cooling medium and in theembodiment of the present invention, theabove related units are individually desi ated by the numeral 1.--

The units 1, in their initial state, comprise strips of-sheet metal,preferably brass,

stricted w'ater passages are formed.-

' In the stamping operation of each of the elongated unit sheets 1, themetal is struck outwardly to form a plurality of semihexagonal ofi'setmembers 4 and '5, which are disposedin staggered relation the entire lenh of the strip.

- he stamping of the series of offset members 4 and 5, forms flat narrowportions therebetween, and each alternate portion comprises the narrowvertical sides 6, of the semi-hexagonal ofi'set members 4 and 5. Theother two relatively long sides 7 and 8 of the offset members 4 and 5,are disposed at an angle of approximatel 35 from the point ofintersectlon with t e narrow verq tical sides 6 and when the plates arefolded, the semi-hexagonal members 4 and 5, unite, in forming perfecthexagonally shaped tubes,

which, as'has been stated, are adapted for the passage of the aircooling medium through the radiator.

'The construction of each individual sheet will be described andsimultaneousl with the above stampin operation" the slieets 1 are struckoutwar y at their longitudinal edges to form the flanges 10, whichlatter project from'the surface of the metal on the sides 6, 7 and 8.These flanges 10,'attain their greatest height on the alternate verticalsides 6, and gradually [decrease and terminate at the intersection ofthe long angular sides 7 and 8, with the alternate vertical sides 6.

At a point approximately central of the sheets, the metal is struckoutwardly to form the offset flanges 11 which arise from the point ofintersection between the 0 pcsitely disposed vertical sides 6 and theong angular sides 7 and 8, and gradually increasein height towardcertain of the short vertical sides 6. The faces 12 of'the angularportions of the offset. flanges terminate in vertical connectingportions 13, each alterpassages being which as has e outwardly from thesurface of the 0 set nate vertical side 6, carrying the said connectingortions-13, which latter are provided' w1th laterally directedsemi-circular passages or ports 14, inthis'connection itmay be stated,that the height of the offset flanges 11 is reatest at their point ofconnection with t e vertical sides 6, this height gradually diminishingtoward the point of intersection with the opposing vertical sides 6. I

Each alternate vertical side 6, is formed with a semi-circulardepression 14 and when the sheets 1 are folded over to dispose theplates ,2 and 3, in alinement, the flat angular faces of the opposingflanges 10 and the opposing offset flanges 11, overlap, and the opposingsemi-circular passages 14 and depressions 14' unite to form circularopenings 15.

Each individual radiator unit or sheet 1, comprising the longitudinalplates 2 and 3 in their nesting arrangement, are assembled in suchmanner that every alternate unit has its plate ends folded over asillustrated at 16, and the opposing units are so positioned, that themedial creased portions 17, are disposed between the vert1ca1 sides 6,of the units which are foldedover.

This arrangement as will be readily seen, provides restricted waterspaces 9 between the plates 2 and 3 of the assembled sheets and throughthe circular openings 15.

By the provisions of the offset flanges 11, the water radiating space ineach unit is divided into two compartments or columns, which are incommunlcation with each other through the circular passages or ports 15and the water element in the tankwill gravitate through the restrictedpassages 9, between the plates 2 and 3 and a large portion of the waterwill pass from one compartment to the other.

It is understood, that the water compartment or columns in the front ofthe radiator proper, receives the. greatest influence of the air coolingmedium, and as this cooled water is drawn out b the pump, notillustrated, an immediate isplacement of the water in the o posingcolumn is effected, which results in the passage of this water into thefront column "through the restricted passages 15.

As the above operation'or circulation continues, the heated waternaturally has e'xpansive tendencies and this results in the furthercirculation of the same and naturally a large amount of it will passinto the front columns.

A certain amount of water will gravitate downwardly through therestricted assages. 9 between the offset members 4 an 5, such formed bythe flanges 10, en heretofore stated, pro'ect members.

The hexagonal conformation of the tubes comprises a relatively largearea for the contact of the air with the walls of thesaid tubes, formedby the long angular sides 7 and 8 and the vertical side 6, and the Waterduring its tortuous passage through the restricted passages is subjectedto a maximum degree of cooling influence.

It will thus be seen that not only is a great air cooling influencerovided, but the water element is circulate through the radiator unitsin a relatively fine sheet and a art of the water is constantlycirculating rom one column to the other through the circular openings orpassages 15.

The interlocking or overlapping function of the offset flanges 11, formsa wall or barrier between the two. columns and the only communication isthrough the aforesaid passa cs 15.

he radiator units are arranged inthe manner illustrated in Fig. 1 andthe folded over end portions 16 are soldered and such sealing actionforms each sheet 1, into a separate unit having a plurality of airtubes, and such nesting provides restricted passages 9 between theunits.

When the units areassembled the upper and lower ends are dipped insolder so that the radiator is hermetically and water sealed.

It is obvious that with this arrangement a thorough circulation of thewater element is effected and the same is diverted and passed from onechamber or column to the other, and during such tortuous passage issubjected to a high de cc of cooling influence and likewise a igh degreeof air contact space is afforded, by the hexagonal configuration of thetubes.

It is manifest that modifications and changes maybe made which will notdepart from the spirit of the invention, and therefore I do not limitmyself to the constructional features shown, but claim the invention asbroadly as the art permits.

I claim:

1. An automobile radiator comprising a plurality of units adapted fornesting arrangement to form hexagonal air inlet tubes and vertical watercooling passages, and inprojections being e nipped with recesses sup--plementing each ot er to form circular passageways eading from one ofsaid compartments to another.

2. An automobile radiator comprising a plurality of units adapted fornesting arrangement to form hexagonal airinlet tubes and vertical watercooling passages, said units being provided intermediate their ends withpro ections of angular Outline and adapted to divide, when theunits havebeen placed inoperative position, the substantially vertical waterpassages into a plurality of substantially Vertically arranged.compartments, each of said projections being provided in its medialportion with a, semicylindrical horizontal recess whereby communicationbetween the substantially vertical compartments formed by saidobstructions is produced.

In testimony whereof I aifix my signature in the presence of a witness.

WILLIAM PHILLIPS. Witness:

DANmL A. BRENNAN.

